Barcelona's Raphinha celebrates his side's fifth goal during a Champions League opening phase soccer match between SL Benfica and FC Barcelona at the Luz stadium in Lisbon.

Barcelona's Eric Garcia scores his side's fourth goal during a Champions League opening phase soccer match between SL Benfica and FC Barcelona at the Luz stadium in Lisbon.

Benfica's Nicolas Otamendi jumps for the ball against Barcelona's Ferran Torres during a Champions League opening phase soccer match between SL Benfica and FC Barcelona at the Luz stadium in Lisbon.

Benfica's Andreas Schjelderup celebrates his side's fourth goal during a Champions League opening phase soccer match between SL Benfica and FC Barcelona at the Luz stadium in Lisbon.

Barcelona's Frenkie de Jong fights for the ball against Benfica's Leandro Barreiro during a Champions League opening phase soccer match between SL Benfica and FC Barcelona at the Luz stadium in Lisbon.

Barcelona's Pedri holds the ball as they restore the game after a goal by Barcelona's Raphinha, during a Champions League opening phase soccer match between SL Benfica and FC Barcelona at the Luz stadium in Lisbon.

Barcelona's Lamine Yamal reacts as Benfica players celebrate their third goal by Vangelis Pavlidis during a Champions League opening phase soccer match between SL Benfica and FC Barcelona at the Luz stadium in Lisbon.

Barcelona's Lamine Yamal runs with the ball at Benfica's Nicolas Otamendi, left, during a Champions League opening phase soccer match between SL Benfica and FC Barcelona at the Luz stadium in Lisbon.

Benfica's Vangelis Pavlidis celebrates the opening goal during a Champions League opening phase soccer match between SL Benfica and FC Barcelona at the Luz stadium in Lisbon.